EP2958652A4 - Multi-layered filter media - Google Patents

Multi-layered filter media Download PDF

Info

Publication number
EP2958652A4
EP2958652A4 EP14754942.2A EP14754942A EP2958652A4 EP 2958652 A4 EP2958652 A4 EP 2958652A4 EP 14754942 A EP14754942 A EP 14754942A EP 2958652 A4 EP2958652 A4 EP 2958652A4
Authority
EP
European Patent Office
Prior art keywords
filter media
layered filter
layered
media
filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP14754942.2A
Other languages
German (de)
French (fr)
Other versions
EP2958652A1 (en
Inventor
Máté NAGY
Sven Siegle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hollingsworth and Vose Co
Original Assignee
Hollingsworth and Vose Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US13/775,420 external-priority patent/US9149748B2/en
Application filed by Hollingsworth and Vose Co filed Critical Hollingsworth and Vose Co
Priority to EP20177411.4A priority Critical patent/EP3738659A1/en
Publication of EP2958652A1 publication Critical patent/EP2958652A1/en
Publication of EP2958652A4 publication Critical patent/EP2958652A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2003—Glass or glassy material
    • B01D39/2017—Glass or glassy material the material being filamentary or fibrous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0622—Melt-blown
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/08—Special characteristics of binders
    • B01D2239/086—Binders between particles or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1216—Pore size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1258—Permeability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/10—Multiple layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Filtering Materials (AREA)
EP14754942.2A 2013-02-25 2014-02-24 Multi-layered filter media Withdrawn EP2958652A4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20177411.4A EP3738659A1 (en) 2013-02-25 2014-02-24 Multi-layered filter media

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/775,420 US9149748B2 (en) 2012-11-13 2013-02-25 Multi-layered filter media
PCT/US2014/017979 WO2014130933A1 (en) 2013-02-25 2014-02-24 Multi-layered filter media

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP20177411.4A Division EP3738659A1 (en) 2013-02-25 2014-02-24 Multi-layered filter media

Publications (2)

Publication Number Publication Date
EP2958652A1 EP2958652A1 (en) 2015-12-30
EP2958652A4 true EP2958652A4 (en) 2017-02-22

Family

ID=51391886

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20177411.4A Withdrawn EP3738659A1 (en) 2013-02-25 2014-02-24 Multi-layered filter media
EP14754942.2A Withdrawn EP2958652A4 (en) 2013-02-25 2014-02-24 Multi-layered filter media

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20177411.4A Withdrawn EP3738659A1 (en) 2013-02-25 2014-02-24 Multi-layered filter media

Country Status (3)

Country Link
EP (2) EP3738659A1 (en)
CN (1) CN105102097B (en)
WO (1) WO2014130933A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2018021426A1 (en) 2016-07-28 2019-05-23 Jnc株式会社 Backwashable depth filter
CN109306637A (en) * 2017-07-26 2019-02-05 中轻特种纤维材料有限公司 The manufacturing technology of high efficiency vacuum cleaner dust collecting sleeve paper
CN115970507A (en) * 2017-11-17 2023-04-18 W.L.戈尔及同仁股份有限公司 Multi-layer composite with catalytic mixed matrix membrane layer
US20210086116A1 (en) * 2018-04-16 2021-03-25 Ahlstrom-Munksjö Oyj High burst strength wet-laid nonwoven filtration media and process for producing same
CN109806643B (en) * 2019-03-15 2021-02-02 宜兴市惠众环保设备有限公司 Separate abluent sewage treatment plant
WO2021203068A1 (en) * 2020-04-02 2021-10-07 Donaldson Company, Inc. Filter media, composites, and face mask systems using same
US20230372850A1 (en) * 2021-01-29 2023-11-23 Ahlstrom Oyj A filter media and a process for producing the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090120048A1 (en) * 2007-11-09 2009-05-14 Hollingsworth & Vose Company Meltblown Filter Medium
US20110168622A1 (en) * 2010-01-12 2011-07-14 Purolator Filters Na Llc High Efficiency, High Capacity Filter Media
US20110259813A1 (en) * 2010-04-27 2011-10-27 Hollingsworth & Vose Company Filter media with a multi-layer structure
US8172092B2 (en) * 2009-01-22 2012-05-08 Clarcor Inc. Filter having melt-blown and electrospun fibers
US20130001155A1 (en) * 2010-03-12 2013-01-03 Mann+Hummel Gmbh Filter Medium of a Filter Element, Filter Element and Method for Producing a Filter Medium

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060137317A1 (en) * 2004-12-28 2006-06-29 Bryner Michael A Filtration media for filtering particulate material from gas streams
US8858681B2 (en) * 2007-04-23 2014-10-14 W. L. Gore & Associates, Inc. Patterned porous venting materials
CN101946033B (en) * 2007-12-28 2012-11-28 3M创新有限公司 Composite nonwoven fibrous webs and methods of making and using the same
US20100001028A1 (en) * 2008-07-01 2010-01-07 Larry Titshaw Waist mounted hose and cord puller
US8357220B2 (en) * 2008-11-07 2013-01-22 Hollingsworth & Vose Company Multi-phase filter medium
US8118910B2 (en) * 2009-03-23 2012-02-21 General Electric Company Layered filtration membrane and methods of making same
US8523971B2 (en) * 2009-05-07 2013-09-03 The Hong Kong Polytechnic University Multilayer nanofiber filter
WO2012027659A2 (en) * 2010-08-26 2012-03-01 Ppg Industries Ohio, Inc. Filtration media and applications thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090120048A1 (en) * 2007-11-09 2009-05-14 Hollingsworth & Vose Company Meltblown Filter Medium
US8172092B2 (en) * 2009-01-22 2012-05-08 Clarcor Inc. Filter having melt-blown and electrospun fibers
US20110168622A1 (en) * 2010-01-12 2011-07-14 Purolator Filters Na Llc High Efficiency, High Capacity Filter Media
US20130001155A1 (en) * 2010-03-12 2013-01-03 Mann+Hummel Gmbh Filter Medium of a Filter Element, Filter Element and Method for Producing a Filter Medium
US20110259813A1 (en) * 2010-04-27 2011-10-27 Hollingsworth & Vose Company Filter media with a multi-layer structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014130933A1 *

Also Published As

Publication number Publication date
CN105102097A (en) 2015-11-25
EP3738659A1 (en) 2020-11-18
EP2958652A1 (en) 2015-12-30
WO2014130933A1 (en) 2014-08-28
CN105102097B (en) 2017-10-31

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